Concurrent hardware-software co-simulation
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United States of America Patent
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Mar 13, 2001
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Jun 13, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A digital logic simulation/emulation system (20) operates in an engaged operating mode in which a digital-logic simulation process (22) transmits stimulation-control data to a hardware pod (32) for controlling stimulation of a digital logic circuit. In response to the stimulation-control data, the hardware pod (32) performs a stimulation-response cycle, and then sends response data from the digital logic circuit to the simulation process (22). The simulation process (22) and the hardware pod (32) may also operate in a disengaged operating mode in which each operates independently of the other without exchanging stimulation-control data or response data. Operation of the system (20) in the disengaged mode commences if a disengagement event occurs in the hardware pod (32). Operation of the system (20) in the disengaged mode terminates if the simulation process (22) sends stimulation-control data to the hardware pod (32), or if the hardware pod (32) sends response data to the simulation process (22).
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